calcula X geometría doy corona

Respuesta:
9)
30=2x+2x+2x
30=6x
5=x
10)
28=2x+10
28-10=2x
9. Calcula "x"
◆ MN = 2x
◆ NS = 2x
◆ ST = 2x
◆ MT = 30m
◆ MT = MN + NS + ST
MT = MN + NS + ST
30m = 2x + 2x + 2x
30m = 6x
5m = x
10. Calcula "x"
◆ PQ = 2x
◆ QR = 10u
◆ PR = 28u
◆ PR = PQ + QR
PR = PQ + QR
28u = 2x + 10u
18u = 2x
9u = x